I May Be a Guild Receptionist, but I¿ll Solo Any Boss to Clock Out on Time, Vol. 3 (manga)

The new dungeon, Chalk Tower, is riddled with unpredictable situations! Boss-class foes wandering the halls might not slow down Alina, but the annihilation of Rufus-s party at the hands of an unknown enemy stops her and her temporary comrades in their tracks-! Silver Sword reluctantly opts for a withdrawal-that means escape from adventuring duty for Alina and a return at last to her beloved job as a receptionist! But for some reason, a sense of unease lingers. Meanwhile, Rufus joins Silver Sword as the vanguard, and the party attempts to clear Chalk Tower once more. But do they have any chance against a humanoid monsterwith a Dia Skill?!